break point
noun- break point(specialist) the point where something, especially a computer program, is interrupted/ˈbreɪk pɔɪnt//ˈbreɪk pɔɪnt/
（尤指计算机程序的）断点，中断点 - break point(especially in tennis) a point that the person who is serving must win in order not to lose a game/ˌbreɪk ˈpɔɪnt//ˌbreɪk ˈpɔɪnt/
破发点；破对方发球局的末点 - (also breaking point)the time when problems become so great that a person, an organization or a system can no longer deal with them
（问题难以遏制的）顶点，极限